An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5998-01-644-7636
NSN 5965-01-512-1245
NSN 4140-01-453-2493
NSN 5999-00-442-4244
NSN 5999-00-205-0918
NSN 4140-01-413-9841
NSN 5960-01-421-8175
NSN 6130-00-854-6193
NSN 6620-01-212-8089
NSN 5945-01-270-9394
NSN 6610-00-390-8471
NSN 5915-00-476-1374